REVIEW: QR-E 250W ELECTRIC BOOSTER BICYCLE MOTOR AND B60i AND B70 BATTERY

[3dxl]

How wide is the tape you used?

The tape i use is about 2.5cm width fit nicely for 320W Pro but on 400W i just overlap side by side. Attached picture how i overlap the 3M friction floor tape width by 2x when wrapping on the friction roller of 400W.

 

[EMGX]

Update on my new to me used Pro of unknown age. I've used it on fairly flat gravel trails including Palouse to Cascades rail to trail in Washington but haven't gotten around to trying it on steep hills until this AM. Rode it up and down my neighborhood road which gains 400ft in 1 mile with a couple 20+% segments. Only had 1 light on my battery at start and finish. I was in 1st-3rd gear (22t front, 40t rear, 700c bike) on the steepest areas and put in a good amount of effort. The motor didn't cut out even when going slow uphill and no slipping on the tire - I use 1" wide sanding belt for the friction layer. When I had tried this with my Mute version on same bike a year or more ago I turned back because the Mute didn't provide enough assist for me to make it. I'm not in great shape and have a bad knee that last year an orthopod told me was crying for replacement, so there's that. Overall I'm pretty impressed for what it is.

Unfortunately same day 15 miles into 25 mile ride the Pro broke down and is non-functional. From now on I'll just stick to my Yamaha mid drive gravel bike despite its 40+lb weight - no problems in thousands of miles on that plus TSDZ2 equiped bikes. It was a hilly ride but they all are in my area.

 

[3dxl]

Update on my new to me used Pro of unknown age. I've used it on fairly flat gravel trails including Palouse to Cascades rail to trail in Washington but haven't gotten around to trying it on steep hills until this AM. Rode it up and down my neighborhood road which gains 400ft in 1 mile with a couple 20+% segments. Only had 1 light on my battery at start and finish. I was in 1st-3rd gear (22t front, 40t rear, 700c bike) on the steepest areas and put in a good amount of effort. The motor didn't cut out even when going slow uphill and no slipping on the tire - I use 1" wide sanding belt for the friction layer. When I had tried this with my Mute version on same bike a year or more ago I turned back because the Mute didn't provide enough assist for me to make it. I'm not in great shape and have a bad knee that last year an orthopod told me was crying for replacement, so there's that. Overall I'm pretty impressed for what it is.

Unfortunately same day 15 miles into 25 mile ride the Pro broke down and is non-functional. From now on I'll just stick to my Yamaha mid drive gravel bike despite its 40+lb weight - no problems in thousands of miles on that plus TSDZ2 equiped bikes. It was a hilly ride but they all are in my area.

That's why i go PRO, great hill slayer.

 

[glerner]

I got the qiroll QR-E PRO MAX 400W the lates version today and I mounted in my Bike Friday with no problem in 20min.I just did a small test and works ok I think I will add the tape but I can t find 3cm wide .One more thing lets say I fly to another country and I can t take the battery which kind tipe of battery I need

 

[3dxl]

I got the qiroll QR-E PRO MAX 400W the lates version today and I mounted in my Bike Friday with no problem in 20min.I just did a small test and works ok I think I will add the tape but I can t find 3cm wide .One more thing lets say I fly to another country and I can t take the battery which kind tipe of battery I need

If the tape not wide enough you can overlap the tape side by side to increase the width like how i did it from previous post photos. About traveling with ebike battery i have no experience about it but different airline allow certain watt hour capacity which you need to check.

 

[glerner]

If the tape not wide enough you can overlap the tape side by side to increase the width like how i did it from previous post photos. About traveling with ebike battery i have no experience about it but different airline allow certain watt hour capacity which you need to check.

Yes but Iam not planing taking ghe battery so I asked which battery I need to look for Voltage Wat etc

 

[3dxl]

Yes but Iam not planing taking ghe battery so I asked which battery I need to look for Voltage Wat etc

Baseline for your Qiroll Pro Max is to look for 33V battery.

 

[glerner]

Baseline for your Qiroll Pro Max is to look for 33V battery.

Thank you and how is the name of the yellow plug on the battery

 

[3dxl]

Thank you and how is the name of the yellow plug on the battery

Its MR03 connector.